Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh trung tuan ((nhung cong) or (thong cong)) dan ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh trung tuan ((nhung cong) OR (thong cong)) dan ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh trung tuan ((nhung cong) or (thong cong)) dan ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh trung tuan ((nhung cong) or (thong cong)) dan ((than cau) OR (phan cau))*.